#66BF82
Closest named color: Soft Green (#6FC276). oklch(73.3% 0.124 152.4), rgb(102, 191, 130).
Aa
Black text reads best on this color (9.33:1).
About this color
#66BF82 is a medium-light, moderately saturated green. In OKLCH its lightness is 73%, its chroma 0.124 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Soft Green (#6FC276), ΔE 0.021 away. Black text reads best on it, at 9.33:1.
| Hue family | Greens |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.124) |
| Temperature | in between |
| Nearest name | Soft Green (#6FC276) |
| Black text | 9.33:1 |
| White text | 2.24:1 |
Values
| HEX | #66BF82 |
| RGB | rgb(102, 191, 130) |
| HSL | hsl(139, 41%, 57%) |
| OKLCH | oklch(73.3% 0.124 152.4) |
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 #66BF82 | 2.24:1 | Fails | Lc -48.9 | Large or bold text, headings |
| Black text on #66BF82 | 9.33:1 | AAA | Lc 59.8 | Large or bold text, headings |
| #66BF82 text on white | 2.24:1 | Fails | Lc 44.1 | Non-text elements, placeholder text |
| #66BF82 text on black | 9.33:1 | 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
#F1F8F2
oklch(97.2% 0.011 149.9)
-
Step 100
100
#DFEEE3
oklch(93.5% 0.022 154.1)
-
Step 200
200
#C5E2CC
oklch(88.5% 0.043 152.7)
-
Step 300
300
#9BD0A9
oklch(81% 0.078 152.6)
-
Step 400
400 (this color)
#66BF82
oklch(73.3% 0.124 152.4)
-
Step 500
500
#17A457
oklch(63.2% 0.159 152.3)
-
Step 600
600
#008A47
oklch(55.5% 0.144 152.6)
-
Step 700
700
#00743A
oklch(49% 0.128 152.4)
-
Step 800
800
#00602F
oklch(42.8% 0.112 152.4)
-
Step 900
900
#005026
oklch(37.8% 0.099 152.3)
-
Step 950
950
#042F16
oklch(26.9% 0.065 152.8)
#66BF82 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) | #BFB27E | 0.108 |
| Deuteranopia (no green cones) | #B2A986 | 0.106 |
| Tritanopia (no blue cones) | #53BDAF | 0.064 |
| Achromatopsia (no color) | #ADADAD | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66BF82
#66BF82
oklch(73.3% 0.124 152.4)
- #D68ACB
#D68ACB
oklch(73.2% 0.125 332.1)
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 #66BF82, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Green #6FC276 ΔE 0.021
- Dark Mint #48C072 ΔE 0.034
- Greenblue #23C48B ΔE 0.037
- Faded Green #7BB274 ΔE 0.037
- Sage Green #88B378 ΔE 0.043
- Boring Green #63B365 ΔE 0.043
- Green Blue #01C08D ΔE 0.044
- Lichen #8FB67B ΔE 0.045
Use #66BF82 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.