#1BB66E
Closest named color: Green Teal (#0CB577). oklch(68.5% 0.16 155.9), rgb(27, 182, 110).
Aa
Black text reads best on this color (7.96:1).
About this color
#1BB66E is a medium-light, vivid green. In OKLCH its lightness is 68%, its chroma 0.160 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Green Teal (#0CB577), ΔE 0.013 away. Black text reads best on it, at 7.96:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.160) |
| Temperature | in between |
| Nearest name | Green Teal (#0CB577) |
| Black text | 7.96:1 |
| White text | 2.63:1 |
Values
| HEX | #1BB66E |
| RGB | rgb(27, 182, 110) |
| HSL | hsl(152, 74%, 41%) |
| OKLCH | oklch(68.5% 0.16 155.9) |
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 #1BB66E | 2.63:1 | Fails | Lc -56.0 | Large or bold text, headings |
| Black text on #1BB66E | 7.96:1 | AAA | Lc 53.2 | Large or bold text, headings |
| #1BB66E text on white | 2.63:1 | Fails | Lc 50.8 | Large or bold text, headings |
| #1BB66E text on black | 7.96:1 | AAA | Lc -51.1 | 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
#EFF8F2
oklch(97.1% 0.012 157)
-
Step 100
100
#DBF0E2
oklch(93.6% 0.029 156.6)
-
Step 200
200
#BDE5CA
oklch(88.6% 0.056 155.6)
-
Step 300
300
#89D4A5
oklch(80.8% 0.1 155.9)
-
Step 400
400 (this color)
#1BB66E
oklch(68.5% 0.16 155.9)
-
Step 500
500
#00A460
oklch(63.2% 0.154 155.8)
-
Step 600
600
#008A50
oklch(55.7% 0.136 155.8)
-
Step 700
700
#007443
oklch(49.1% 0.119 156.1)
-
Step 800
800
#005F36
oklch(42.7% 0.103 156.1)
-
Step 900
900
#004F2C
oklch(37.6% 0.091 156.1)
-
Step 950
950
#002F18
oklch(26.8% 0.065 156.1)
#1BB66E 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) | #B5A769 | 0.143 |
| Deuteranopia (no green cones) | #A49A73 | 0.142 |
| Tritanopia (no blue cones) | #00B4A4 | 0.078 |
| Achromatopsia (no color) | #9F9F9F | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1BB66E
#1BB66E
oklch(68.5% 0.16 155.9)
- #D56FBF
#D56FBF
oklch(68.5% 0.16 335.9)
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 #1BB66E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Teal #0CB577 ΔE 0.013
- Cool Green #33B864 ΔE 0.016
- Medium Sea Green #3CB371 ΔE 0.017
- Dark Seafoam #1FB57A ΔE 0.017
- Jade Green #2BAF6A ΔE 0.019
- Bluey Green #2BB179 ΔE 0.025
- Seaweed Green #35AD6B ΔE 0.026
- Dark Mint Green #20C073 ΔE 0.029
Use #1BB66E 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.