#1BC391
Closest named color: Greenblue (#23C48B). oklch(72.7% 0.146 165.9), rgb(27, 195, 145).
Aa
Black text reads best on this color (9.26:1).
About this color
#1BC391 is a medium-light, vivid green. In OKLCH its lightness is 73%, its chroma 0.146 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greenblue (#23C48B), ΔE 0.010 away. Black text reads best on it, at 9.26:1.
| Hue family | Greens |
| Lightness | medium-light (73%) |
| Chroma | vivid (0.146) |
| Temperature | in between |
| Nearest name | Greenblue (#23C48B) |
| Black text | 9.26:1 |
| White text | 2.26:1 |
Values
| HEX | #1BC391 |
| RGB | rgb(27, 195, 145) |
| HSL | hsl(162, 76%, 44%) |
| OKLCH | oklch(72.7% 0.146 165.9) |
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 #1BC391 | 2.26:1 | Fails | Lc -48.9 | Large or bold text, headings |
| Black text on #1BC391 | 9.26:1 | AAA | Lc 59.8 | Large or bold text, headings |
| #1BC391 text on white | 2.26:1 | Fails | Lc 44.1 | Non-text elements, placeholder text |
| #1BC391 text on black | 9.26:1 | AAA | Lc -58.0 | 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
#DAF0E6
oklch(93.6% 0.027 166.8)
-
Step 200
200
#BAE4D1
oklch(88.4% 0.051 166)
-
Step 300
300
#85D4B3
oklch(81% 0.092 165.8)
-
Step 400
400 (this color)
#1BC391
oklch(72.7% 0.146 165.9)
-
Step 500
500
#00A277
oklch(63.2% 0.131 166)
-
Step 600
600
#008863
oklch(55.6% 0.116 165.8)
-
Step 700
700
#007253
oklch(49% 0.101 166.2)
-
Step 800
800
#005E43
oklch(42.7% 0.089 165.5)
-
Step 900
900
#004E38
oklch(37.6% 0.078 166.4)
-
Step 950
950
#002F20
oklch(27.1% 0.056 165.8)
#1BC391 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) | #BFB48E | 0.146 |
| Deuteranopia (no green cones) | #ABA694 | 0.141 |
| Tritanopia (no blue cones) | #00C4B5 | 0.050 |
| Achromatopsia (no color) | #ACACAC | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1BC391
#1BC391
oklch(72.7% 0.146 165.9)
- #E77EBA
#E77EBA
oklch(72.7% 0.147 346)
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 #1BC391, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greenblue #23C48B ΔE 0.010
- Green Blue #01C08D ΔE 0.011
- Dark Mint Green #20C073 ΔE 0.038
- Dark Mint #48C072 ΔE 0.039
- Dark Seafoam #1FB57A ΔE 0.044
- Algae Green #21C36F ΔE 0.044
- Green Teal #0CB577 ΔE 0.047
- Greeny Blue #42B395 ΔE 0.050
Use #1BC391 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.