#688123
Closest named color: Swamp (#698339). oklch(56.5% 0.122 123.4), rgb(104, 129, 35).
Aa
Black text reads best on this color (4.75:1).
About this color
#688123 is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 56%, its chroma 0.122 and its hue 123°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Swamp (#698339), ΔE 0.019 away. Black text reads best on it, at 4.75:1.
| Hue family | Yellows |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.122) |
| Temperature | in between |
| Nearest name | Swamp (#698339) |
| Black text | 4.75:1 |
| White text | 4.41:1 |
Values
| HEX | #688123 |
| RGB | rgb(104, 129, 35) |
| HSL | hsl(76, 57%, 32%) |
| OKLCH | oklch(56.5% 0.122 123.4) |
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 #688123 | 4.41:1 | AA large text | Lc -76.0 | Fine for body text |
| Black text on #688123 | 4.75:1 | AA | Lc 33.6 | Non-text elements, placeholder text |
| #688123 text on white | 4.41:1 | AA large text | Lc 70.5 | Content text, not long reading |
| #688123 text on black | 4.75:1 | 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
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E8ECE0
oklch(93.7% 0.017 121.8)
-
Step 200
200
#D5DDC7
oklch(88.5% 0.031 123.3)
-
Step 300
300
#B9C7A0
oklch(80.9% 0.055 123.7)
-
Step 400
400
#96AA6C
oklch(70.7% 0.088 123.2)
-
Step 500
500
#7C9443
oklch(63% 0.111 123.3)
-
Step 600
600 (this color)
#688123
oklch(56.5% 0.122 123.4)
-
Step 700
700
#546B11
oklch(49.2% 0.114 123.7)
-
Step 800
800
#455713
oklch(42.7% 0.094 123.4)
-
Step 900
900
#3A4818
oklch(37.8% 0.073 123.6)
-
Step 950
950
#222A0F
oklch(27% 0.046 123.2)
#688123 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) | #897913 | 0.050 |
| Deuteranopia (no green cones) | #85782B | 0.051 |
| Tritanopia (no blue cones) | #6D7A6F | 0.102 |
| Achromatopsia (no color) | #787878 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #688123
#688123
oklch(56.5% 0.122 123.4)
- #8562B0
#8562B0
oklch(56.5% 0.122 303.4)
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 #688123, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Swamp #698339 ΔE 0.019
- Murky Green #6C7A0E ΔE 0.020
- Olive Green #677A04 ΔE 0.022
- Swamp Green #748500 ΔE 0.025
- Khaki Green #728639 ΔE 0.028
- Mossy Green #638B27 ΔE 0.029
- Moss Green #658B38 ΔE 0.029
- Military Green #667C3E ΔE 0.033
Use #688123 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.