#1BBF85
Closest named color: Green Blue (#01C08D). oklch(71.3% 0.151 162), rgb(27, 191, 133).
Aa
Black text reads best on this color (8.83:1).
About this color
#1BBF85 is a medium-light, vivid green. In OKLCH its lightness is 71%, its chroma 0.151 and its hue 162°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Green Blue (#01C08D), ΔE 0.010 away. Black text reads best on it, at 8.83:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.151) |
| Temperature | in between |
| Nearest name | Green Blue (#01C08D) |
| Black text | 8.83:1 |
| White text | 2.37:1 |
Values
| HEX | #1BBF85 |
| RGB | rgb(27, 191, 133) |
| HSL | hsl(159, 75%, 43%) |
| OKLCH | oklch(71.3% 0.151 162) |
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 #1BBF85 | 2.37:1 | Fails | Lc -51.2 | Large or bold text, headings |
| Black text on #1BBF85 | 8.83:1 | AAA | Lc 57.7 | Large or bold text, headings |
| #1BBF85 text on white | 2.37:1 | Fails | Lc 46.3 | Large or bold text, headings |
| #1BBF85 text on black | 8.83:1 | AAA | Lc -55.8 | 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
#DBF0E4
oklch(93.6% 0.027 160.9)
-
Step 200
200
#BBE5CF
oklch(88.6% 0.053 162.3)
-
Step 300
300
#86D4AE
oklch(80.9% 0.095 162.1)
-
Step 400
400 (this color)
#1BBF85
oklch(71.3% 0.151 162)
-
Step 500
500
#00A36F
oklch(63.2% 0.139 161.8)
-
Step 600
600
#00895D
oklch(55.7% 0.122 162)
-
Step 700
700
#00734D
oklch(49.1% 0.108 161.8)
-
Step 800
800
#005E3F
oklch(42.6% 0.093 162.3)
-
Step 900
900
#004F34
oklch(37.8% 0.083 162.1)
-
Step 950
950
#002F1D
oklch(27% 0.059 161.7)
#1BBF85 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) | #BCB082 | 0.146 |
| Deuteranopia (no green cones) | #A9A389 | 0.140 |
| Tritanopia (no blue cones) | #00BFB0 | 0.061 |
| Achromatopsia (no color) | #A8A8A8 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1BBF85
#1BBF85
oklch(71.3% 0.151 162)
- #E179BD
#E179BD
oklch(71.3% 0.152 341.9)
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 #1BBF85, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Blue #01C08D ΔE 0.010
- Greenblue #23C48B ΔE 0.015
- Dark Mint Green #20C073 ΔE 0.025
- Dark Seafoam #1FB57A ΔE 0.029
- Dark Mint #48C072 ΔE 0.029
- Green Teal #0CB577 ΔE 0.031
- Algae Green #21C36F ΔE 0.034
- Medium Sea Green #3CB371 ΔE 0.035
Use #1BBF85 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.