#677E6A
Closest named color: Medium Grey (#7D7F7C). oklch(56.9% 0.041 148.7), rgb(103, 126, 106).
Aa
Black text reads best on this color (4.76:1).
About this color
#677E6A is a medium-dark, muted green. In OKLCH its lightness is 57%, its chroma 0.041 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Grey (#7D7F7C), ΔE 0.044 away. Black text reads best on it, at 4.76:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | muted (0.041) |
| Temperature | in between |
| Nearest name | Medium Grey (#7D7F7C) |
| Black text | 4.76:1 |
| White text | 4.40:1 |
Values
| HEX | #677E6A |
| RGB | rgb(103, 126, 106) |
| HSL | hsl(128, 10%, 45%) |
| OKLCH | oklch(56.9% 0.041 148.7) |
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 #677E6A | 4.40:1 | AA large text | Lc -76.0 | Fine for body text |
| Black text on #677E6A | 4.76:1 | AA | Lc 33.5 | Non-text elements, placeholder text |
| #677E6A text on white | 4.40:1 | AA large text | Lc 70.5 | Content text, not long reading |
| #677E6A text on black | 4.76:1 | AA | Lc -31.1 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E7EBE8
oklch(93.6% 0.006 153.8)
-
Step 200
200
#D5DBD5
oklch(88.5% 0.01 145.5)
-
Step 300
300
#B9C4BA
oklch(80.9% 0.018 148.1)
-
Step 400
400
#95A697
oklch(70.7% 0.029 148.7)
-
Step 500
500
#7A907D
oklch(63% 0.038 149)
-
Step 600
600 (this color)
#677E6A
oklch(56.9% 0.041 148.7)
-
Step 700
700
#526755
oklch(49.1% 0.038 149)
-
Step 800
800
#435446
oklch(42.7% 0.031 150.1)
-
Step 900
900
#39453B
oklch(37.6% 0.023 150)
-
Step 950
950
#212922
oklch(27.1% 0.017 148.6)
#677E6A 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) | #7F7A69 | 0.035 |
| Deuteranopia (no green cones) | #7B776B | 0.034 |
| Tritanopia (no blue cones) | #647D78 | 0.022 |
| Achromatopsia (no color) | #787878 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #677E6A
#677E6A
oklch(56.9% 0.041 148.7)
- #856F83
#856F83
oklch(56.9% 0.04 329)
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 #677E6A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Grey #7D7F7C ΔE 0.044
- Slate Green #658D6D ΔE 0.044
- Battleship Grey #6B7C85 ΔE 0.045
- Dark Sage #598556 ΔE 0.046
- Battleship Gray #6C757D ΔE 0.047
- Steel Grey #6F828A ΔE 0.049
- Grey Brown #7F7053 ΔE 0.050
- Gray #808080 ΔE 0.051
Use #677E6A 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.