#6DC557
Closest named color: Apple (#6ECB3C). oklch(74.4% 0.17 139.7), rgb(109, 197, 87).
Aa
Black text reads best on this color (9.77:1).
About this color
#6DC557 is a medium-light, vivid green. In OKLCH its lightness is 74%, its chroma 0.170 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Apple (#6ECB3C), ΔE 0.032 away. Black text reads best on it, at 9.77:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | vivid (0.170) |
| Temperature | in between |
| Nearest name | Apple (#6ECB3C) |
| Black text | 9.77:1 |
| White text | 2.14:1 |
Values
| HEX | #6DC557 |
| RGB | rgb(109, 197, 87) |
| HSL | hsl(108, 49%, 56%) |
| OKLCH | oklch(74.4% 0.17 139.7) |
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 #6DC557 | 2.14:1 | Fails | Lc -46.6 | Large or bold text, headings |
| Black text on #6DC557 | 9.77:1 | AAA | Lc 62.0 | Content text, not long reading |
| #6DC557 text on white | 2.14:1 | Fails | Lc 42.0 | Non-text elements, placeholder text |
| #6DC557 text on black | 9.77:1 | AAA | Lc -60.3 | Content text, not long reading |
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
#F1F8EF
oklch(97.1% 0.014 138.7)
-
Step 100
100
#E0EFDC
oklch(93.6% 0.03 139.1)
-
Step 200
200
#C5E3BE
oklch(88.4% 0.059 139.8)
-
Step 300
300
#9CD290
oklch(81% 0.106 139.9)
-
Step 400
400 (this color)
#6DC557
oklch(74.4% 0.17 139.7)
-
Step 500
500
#35A400
oklch(63.1% 0.201 139.6)
-
Step 600
600
#2B8A00
oklch(55.6% 0.178 139.6)
-
Step 700
700
#237400
oklch(49% 0.157 139.6)
-
Step 800
800
#1B5F00
oklch(42.6% 0.136 139.6)
-
Step 900
900
#155000
oklch(37.8% 0.121 139.7)
-
Step 950
950
#093000
oklch(27.1% 0.087 139.7)
#6DC557 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) | #CAB64C | 0.115 |
| Deuteranopia (no green cones) | #BEAE5F | 0.116 |
| Tritanopia (no blue cones) | #66BFAD | 0.115 |
| Achromatopsia (no color) | #B1B1B1 | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6DC557
#6DC557
oklch(74.4% 0.17 139.7)
- #DA85EE
#DA85EE
oklch(74.4% 0.17 319.8)
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 #6DC557, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Apple #6ECB3C ΔE 0.032
- Turtle Green #75B84F ΔE 0.035
- Soft Green #6FC276 ΔE 0.039
- Dark Lime Green #7EBD01 ΔE 0.043
- Dark Mint #48C072 ΔE 0.044
- Apple Green #76CD26 ΔE 0.046
- Algae Green #21C36F ΔE 0.049
- Dark Lime #84B701 ΔE 0.050
Use #6DC557 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.