#1BC055
Closest named color: Shamrock Green (#02C14D). oklch(70.7% 0.195 148.6), rgb(27, 192, 85).
Aa
Black text reads best on this color (8.71:1).
About this color
#1BC055 is a medium-light, vivid green. In OKLCH its lightness is 71%, its chroma 0.195 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Shamrock Green (#02C14D), ΔE 0.011 away. Black text reads best on it, at 8.71:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.195) |
| Temperature | in between |
| Nearest name | Shamrock Green (#02C14D) |
| Black text | 8.71:1 |
| White text | 2.40:1 |
Values
| HEX | #1BC055 |
| RGB | rgb(27, 192, 85) |
| HSL | hsl(141, 75%, 43%) |
| OKLCH | oklch(70.7% 0.195 148.6) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #1BC055 | 2.40:1 | Fails | Lc -51.8 | Large or bold text, headings |
| Black text on #1BC055 | 8.71:1 | AAA | Lc 57.2 | Large or bold text, headings |
| #1BC055 text on white | 2.40:1 | Fails | Lc 46.8 | Large or bold text, headings |
| #1BC055 text on black | 8.71:1 | AAA | Lc -55.2 | Large or bold text, headings |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 400.
-
Step 50
50
#EEF9F0
oklch(97.1% 0.017 151.1)
-
Step 100
100
#DBF1DD
oklch(93.7% 0.035 147.9)
-
Step 200
200
#BBE6C1
oklch(88.5% 0.067 148.9)
-
Step 300
300
#87D694
oklch(80.8% 0.121 148.4)
-
Step 400
400 (this color)
#1BC055
oklch(70.7% 0.195 148.6)
-
Step 500
500
#00A545
oklch(63% 0.179 148.7)
-
Step 600
600
#008B39
oklch(55.6% 0.158 148.7)
-
Step 700
700
#00752F
oklch(49.1% 0.139 148.8)
-
Step 800
800
#006025
oklch(42.7% 0.121 148.7)
-
Step 900
900
#00501D
oklch(37.6% 0.108 148.5)
-
Step 950
950
#00300F
oklch(27% 0.076 148.8)
#1BC055 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #C2AE4B | 0.156 |
| Deuteranopia (no green cones) | #B1A25D | 0.155 |
| Tritanopia (no blue cones) | #00BCA8 | 0.112 |
| Achromatopsia (no color) | #A7A7A7 | 0.196 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1BC055
#1BC055
oklch(70.7% 0.195 148.6)
- #E06DDC
#E06DDC
oklch(70.8% 0.195 328.7)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1BC055, closest first.
No curated palette has a color within ΔE 0.04 of #1BC055.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Shamrock Green #02C14D ΔE 0.011
- Algae Green #21C36F ΔE 0.029
- Leafy Green #51B73B ΔE 0.032
- Cool Green #33B864 ΔE 0.033
- Dark Mint Green #20C073 ΔE 0.035
- Shamrock #01B44C ΔE 0.036
- Dark Mint #48C072 ΔE 0.042
- Frog Green #58BC08 ΔE 0.045
Use #1BC055 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.