#1BC58E
Closest named color: Greenblue (#23C48B). oklch(73.1% 0.151 164), rgb(27, 197, 142).
Aa
Black text reads best on this color (9.42:1).
About this color
#1BC58E is a medium-light, vivid green. In OKLCH its lightness is 73%, its chroma 0.151 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greenblue (#23C48B), ΔE 0.004 away. Black text reads best on it, at 9.42:1.
| Hue family | Greens |
| Lightness | medium-light (73%) |
| Chroma | vivid (0.151) |
| Temperature | in between |
| Nearest name | Greenblue (#23C48B) |
| Black text | 9.42:1 |
| White text | 2.22:1 |
Values
| HEX | #1BC58E |
| RGB | rgb(27, 197, 142) |
| HSL | hsl(161, 76%, 44%) |
| OKLCH | oklch(73.1% 0.151 164) |
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 #1BC58E | 2.22:1 | Fails | Lc -48.1 | Large or bold text, headings |
| Black text on #1BC58E | 9.42:1 | AAA | Lc 60.6 | Content text, not long reading |
| #1BC58E text on white | 2.22:1 | Fails | Lc 43.3 | Non-text elements, placeholder text |
| #1BC58E text on black | 9.42:1 | AAA | Lc -58.8 | 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
#EEF8F3
oklch(97% 0.012 164.8)
-
Step 100
100
#DAF0E5
oklch(93.6% 0.027 164.4)
-
Step 200
200
#BAE5D0
oklch(88.6% 0.053 164)
-
Step 300
300
#84D4B0
oklch(80.8% 0.095 164)
-
Step 400
400 (this color)
#1BC58E
oklch(73.1% 0.151 164)
-
Step 500
500
#00A273
oklch(63.1% 0.134 164)
-
Step 600
600
#008860
oklch(55.5% 0.118 164)
-
Step 700
700
#007350
oklch(49.2% 0.105 163.6)
-
Step 800
800
#005E41
oklch(42.7% 0.091 163.9)
-
Step 900
900
#004F36
oklch(37.9% 0.081 163.8)
-
Step 950
950
#002F1F
oklch(27% 0.057 164.4)
#1BC58E 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) | #C1B68B | 0.147 |
| Deuteranopia (no green cones) | #AEA892 | 0.143 |
| Tritanopia (no blue cones) | #00C5B6 | 0.057 |
| Achromatopsia (no color) | #AEAEAE | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1BC58E
#1BC58E
oklch(73.1% 0.151 164)
- #E97EBF
#E97EBF
oklch(73.1% 0.152 344.2)
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 #1BC58E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greenblue #23C48B ΔE 0.004
- Green Blue #01C08D ΔE 0.016
- Dark Mint Green #20C073 ΔE 0.034
- Dark Mint #48C072 ΔE 0.034
- Algae Green #21C36F ΔE 0.039
- Dark Seafoam #1FB57A ΔE 0.047
- Emerald #06D6A0 ΔE 0.048
- Seaweed #18D17B ΔE 0.049
Use #1BC58E 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.